160/x-30=400/x+30

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Solution for 160/x-30=400/x+30 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

160/x-30 = 400/x+30 // - 400/x+30

160/x-(400/x)-30-30 = 0

160/x-400*x^-1-30-30 = 0

(160-400)*x^-1 = 60 // : 160-400

x^-1 = 60/(160-400)

-1 < 0

1/(x^1) = 60/(160-400) // * x^1

1 = (60/(160-400))*x^1 // : 60/(160-400)

1/(60/(160-400)) = x^1

x = 1/(60/(160-400))

x = 1/(60/(160-400))

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